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authorJoshua Crofts <joshua.crofts1@gmail.com>2026-08-03 19:32:25 +0200
committerJonathan Cameron <jonathan.cameron@oss.qualcomm.com>2026-08-05 01:09:56 +0100
commit3a2f15765b1d2df7152d63c6498883e70f1844d6 (patch)
tree44a3f7c0b0076ef6aec4987986254b6f69f827e6
parent0efaefce4e95a3331550329c0078b2fb38b3ff1f (diff)
dt-bindings: iio: dac: add support for mcp47a1
The Microchip MCP47A1 is a 6-bit volatile Digital-to-Analog converter which communicates via I2C. Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com> Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
-rw-r--r--Documentation/devicetree/bindings/iio/dac/microchip,mcp47a1.yaml50
-rw-r--r--MAINTAINERS5
2 files changed, 55 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp47a1.yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp47a1.yaml
new file mode 100644
index 000000000000..b181fe73dce8
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp47a1.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/iio/dac/microchip,mcp47a1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MCP47A1 DAC
+
+maintainers:
+ - Joshua Crofts <joshua.crofts1@gmail.com>
+
+description: |
+ The Microchip MCP47A1 is a 6-bit single output volatile DAC.
+ This device can have different IDs (0x2e and 0x3e).
+ https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/25154A.pdf
+
+properties:
+ compatible:
+ const: microchip,mcp47a1
+
+ reg:
+ items:
+ - enum: [0x2e, 0x3e]
+
+ vref-supply: true
+
+ vdd-supply: true
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+ - vdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dac@2e {
+ compatible = "microchip,mcp47a1";
+ reg = <0x2e>;
+ vref-supply = <&vref_regulator>;
+ vdd-supply = <&vdd_regulator>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index e84cd5d08e86..e016180d372a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17707,6 +17707,11 @@ S: Maintained
F: Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
F: drivers/iio/adc/mcp3911.c
+MICROCHIP MCP47A1 DAC DRIVER
+M: Joshua Crofts <joshua.crofts1@gmail.com>
+S: Maintained
+F: Documentation/devicetree/bindings/iio/dac/microchip,mcp47a1.yaml
+
MICROCHIP MCP9982 TEMPERATURE DRIVER
M: Victor Duicu <victor.duicu@microchip.com>
L: linux-hwmon@vger.kernel.org